Re: [SLUG] dhcp port question

From: Greg Schmidt (slugmail@gschmidt.net)
Date: Thu Oct 31 2002 - 19:05:33 EST


On Thu, 31 Oct 2002, Smitty wrote:

> I have not been able to find what ports dhcp runs on. From /etc/services it
> says dhcpv6-slient and -server at ports 546 and 547 respectively, but
> iptables considers that invalid. I am stumped. Anyone know?
> Smitty
>

[root@dt2 etc]# grep bootp services
bootps 67/tcp Bootstrap Protocol Server
bootps 67/udp Bootstrap Protocol Server
bootpc 68/tcp Bootstrap Protocol Client
bootpc 68/udp Bootstrap Protocol Client
nuts_bootp 4133/tcp NUTS Bootp Server
nuts_bootp 4133/udp NUTS Bootp Server
[root@dt2 etc]#

It's 67 and 68. DHCP is what BootP used to be and more. Clients talk on
67 and servers answer on 68.



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